Which video file types do you accept? Power Story supports the following video types: ogm, wmv, mpg, webm, ogv, mov, mpeg, mp4, m4v, avi.If you have a different video type, it’s easy to convert it online to one of the file types above. Recently viewed articles How do I sign up for a demo? How do I set up my user profile? Are there any restrictions as to what I can include in my story? Which video file types do you accept? How do I sign up for Power Story?